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MAX214CPI+

产品分类: 其他接口芯片
厂牌: MAXIM INTEGRATED
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MAXIM INTEGRATED 其他接口芯片 MAX214CPI+

MAX214CPI+概述

    MAX214 Programmable DTE/DCE +5V RS-232 Transceiver: A Comprehensive Overview
    Product Introduction
    The MAX214 is an advanced RS-232 transceiver that provides a complete, 8-line, software-configurable Data Terminal Equipment (DTE) or Data Circuit-Terminating Equipment (DCE) interface. It supports standard RS-232 protocols and is capable of handling communication tasks such as transmitting (Tx), receiving (Rx), request-to-send (RTS), clear-to-send (CTS), data-terminal-ready (DTR), data-set-ready (DSR), data-carrier-detect (DCD), and ring-indicator (RI) functions. Its programmability makes it versatile for various applications, including AT-compatible laptops, desktop computers, modems, printers, and other peripherals.
    Technical Parameters
    Below is a concise overview of the technical specifications for the MAX214:
    - Supply Voltage: +5V
    - Data Rate: Up to 116kbps
    - Shutdown Mode: Draws only 20µA current while keeping receivers active
    - Transmitter Output Resistance: 300Ω
    - Transmitter Output Voltage Swing: ±5.0V to ±7.5V
    - Receiver Propagation Delay: Normal mode: 0.4 to 10µs; Shutdown mode: 1.5 to 10µs
    - Positive Threshold Input (High/Low): 1.8V/1.3V
    - Logic Input Threshold (High/Low): 2.0V/0.8V
    - Shutdown Current: ≤20µA
    The MAX214 operates within a temperature range of 0°C to +70°C and supports additional temperature ranges up to -40°C to +85°C, ensuring reliability across diverse environments.
    Product Features and Advantages
    The MAX214 offers several key advantages:
    - Software-Controlled DTE/DCE Configuration: Simplifies switching between DTE and DCE modes without requiring physical cable swaps.
    - Power Efficiency: Features a low-power shutdown mode with ultra-low current draw.
    - Dual Charge Pump Design: Utilizes 1µF capacitors to generate ±10V output voltages efficiently.
    - Robust Receiver Thresholds: Improved input thresholds offer superior noise immunity compared to conventional RS-232 receivers.
    Its unique combination of programmability, efficiency, and robustness makes the MAX214 highly competitive in markets demanding flexible, reliable RS-232 solutions.
    Application Cases and Usage Recommendations
    The MAX214 finds widespread use in AT-compatible laptops, desktop computers, and peripheral devices like modems and printers. For example, in a laptop setup where the user alternates between connecting to modems and other computers, the MAX214 enables seamless operation without requiring different cables for DTE and DCE setups.
    When integrating the MAX214, ensure appropriate capacitor selection for optimal performance. Using 1µF ceramic capacitors is recommended due to their low Equivalent Series Resistance (ESR) and compatibility across varying temperatures.
    For low-ripple applications, larger capacitors or low-ESR types are advised. Additionally, enabling the HI-Z control function is beneficial when sharing a transmitter among multiple receivers to minimize loading effects.
    Compatibility and Support
    The MAX214 is designed for compatibility with standard RS-232 devices and supports integration with common peripherals. Maxim Integrated Products provides extensive documentation and support, including detailed application notes and design guides, to assist developers in deploying the MAX214 effectively.
    Common Issues and Solutions
    Below are some common issues users might encounter along with their resolutions:
    1. Problem: Device malfunctions in shutdown mode.
    Solution: Ensure the SHDN pin is correctly set to low for normal operation. A floating or incorrectly tied SHDN pin can lead to erratic behavior.

    2. Problem: Inadequate signal integrity during high-speed communication.
    Solution: Increase the capacitance values of C1 and C2 (up to 10µF) to reduce output impedance at V+ and V-, improving signal stability.
    3. Problem: Excessive current consumpt

MAX214CPI+参数

参数
通用封装 PDIP-28
安装方式 通孔安装
零件状态 在售

MAX214CPI+厂商介绍

Maxim Integrated(美信集成)是一家全球领先的半导体设计公司,专注于模拟、混合信号和微处理器解决方案。公司成立于1983年,总部位于美国加州圣何塞。

Maxim Integrated的主要产品分为以下几类:
1. 电源管理:包括电源管理IC、电池管理、电源转换器等,广泛应用于移动设备、工业控制等领域。
2. 微控制器:包括微处理器、微控制器等,应用于智能家居、物联网、医疗设备等领域。
3. 接口产品:包括以太网、串行通信、USB等接口产品,应用于通信、计算机等领域。
4. 传感器:包括温度、湿度、压力等传感器,应用于汽车、工业控制等领域。
5. 射频和无线:包括无线通信、射频放大器等产品,应用于无线通信、**通信等领域。

Maxim Integrated的优势在于:
1. 强大的研发能力:拥有超过4000项专利,持续推出创新产品。
2. 丰富的产品线:提供超过7万种产品,满足不同客户的需求。
3. 广泛的应用领域:产品广泛应用于消费电子、工业、汽车等领域。
4. 优质的客户服务:提供技术支持、定制解决方案等服务,满足客户的个性化需求。

MAX214CPI+数据手册

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MAXIM INTEGRATED 其他接口芯片 MAXIM INTEGRATED MAX214CPI+ MAX214CPI+数据手册

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